Answer:
The seminal vesicle and the prostate glands add their secretions so that the sperm are in a fluid that makes their transport easier, and this fluid also provides nutrition.
Explanation:
I would think it would be false considering part of the virus you are trying to get immunity to is in a vaccine
The circulatory system - hemoglobin in the blood transports oxygen :)
Answer:
my gut is telling me A because histamine sound familiar